Django Docker

docker-compose.yml

version: '3.7'

services:
  db:
    image: postgres:11-alpine
    volumes:
      - postgres_data:/var/lib/postgresql/data/
  web:
    build: .
    command: python /code/manage.py runserver 0.0.0.0:8000
    volumes:
      - .:/code
    ports:
      - 8000:8000
    depends_on:
      - db

volumes:
  postgres_data:

Dockerfile

FROM python:3.7-slim

ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1

WORKDIR /code

RUN pip install pipenv
COPY Pipfile Pipfile.lock /code/
RUN pipenv install --system

COPY . /code/

settings.py

# psycopg2-binary

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.postgresql',
        'NAME': 'postgres',
        'USER': 'postgres',
        'HOST': 'db',
        'PORT': 5432
    }
}